body {
  font-family: 'Do Hyeon';font-size: 22px;
  background-color: #E1EB71;
  margin: 0;
}

strong {
  font-size: 100px;
  }


/*nav bar*/
.topnav {
  overflow: hidden;
  background-color: #F9F2ED;
}

.topnav a {
  float: left;
  display: block;
  color: #3E2C23;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 20px;
  border-bottom: 3px solid transparent;
}

 .active, .topnav a:hover,  .dropdown:hover .dropbtn {
  background-color: #FFB400;
  border-bottom: 3px solid red;
  color: white;
}

 .blue {
  background-color: #4C8CE4;
  border-bottom: 3px solid red;
}

.topnav .icon {
  display: none;
}


@media screen and (max-width: 600px) {
  .topnav a:not(:first-child) {display: none;}
  .topnav a.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 600px) {
  .topnav.responsive {position: relative;}
  .topnav.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  
  .topnav.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}

.topnav .split {
  float: right;
  background-color: #DB1A1A;
  color: white;
}

  .split a:hover {
  background-color: orange;
  border-bottom: 3px solid blue;
  color: black;
}

.topnav .center {
  float: left;
  margin-top: 5px;
  margin-left: 400px;
  color: brown;
}

div.flex-container {
  display: flex;
  flex-direction: row;
}

div.flex-container > div {
  margin: 10px;
}

@media screen and (max-width:600px) {
  div.flex-container {
    flex-direction: column;
  }
}


/*dropdown button*/
.dropdown {
  float: right;
  overflow: hidden;
}

/* Dropdown button */
.dropdown .dropbtn {
  outline: none;
  padding: 14px 16px;
}


/* Dropdown content (hidden by default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #F5F5F5;
  min-width: 160px;
  z-index: 1;
}

/* Links inside the dropdown */
.dropdown-content a {
  float: none;
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

/* Add a background color to dropdown links on hover */
.dropdown-content a:hover {
  background-color: #8AA624;
}

/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-content {
  margin-top: 55px;
  display: block;
}




/* Three image containers */
.column {
  float: left;
  width: 32.5%;
  padding: 5px;
}

/* Clear floats after image containers */
.row::after {
  content: "";
  clear: both;
  display: table;
}

@media screen and (max-width: 500px) {
  .column {
    width: 100%;
  }
}

/*button*/
.button {
  margin-top: 3px;
  height: 130px;
  width: 390px;
  background: #8AA624;
  color: #FA8112;
  font-size: 100px;
  letter-spacing: 4.4px;
  border-radius: 10px;
  padding: 0px 40px;
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-flex;
  user-select: auto;
  position: relative;
  overflow: hidden;
  align-items: center;
  justify-content: center;
  line-height: 1;
  animation: pulse 2s ease-in-out infinite;
}

.button:hover {
  transform: translateY(-3px);
  background: #C44545;
  color: #F6F3EB;
}

.button:active {
  transform: scale(0.96);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}